Creates a ITrackingSpan in this version.
Namespace:  Microsoft.VisualStudio.Text
Assembly:  Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)
Syntax
声明
Function CreateTrackingSpan ( _
    span As Span, _
    trackingMode As SpanTrackingMode, _
    trackingFidelity As TrackingFidelityMode _
) As ITrackingSpan
ITrackingSpan CreateTrackingSpan(
    Span span,
    SpanTrackingMode trackingMode,
    TrackingFidelityMode trackingFidelity
)
ITrackingSpan^ CreateTrackingSpan(
    Span span, 
    SpanTrackingMode trackingMode, 
    TrackingFidelityMode trackingFidelity
)
abstract CreateTrackingSpan : 
        span:Span * 
        trackingMode:SpanTrackingMode * 
        trackingFidelity:TrackingFidelityMode -> ITrackingSpan 
function CreateTrackingSpan(
    span : Span, 
    trackingMode : SpanTrackingMode, 
    trackingFidelity : TrackingFidelityMode
) : ITrackingSpan
Parameters
- span
Type: Microsoft.VisualStudio.Text.Span
The span of text in this snapshot that the ITrackingSpan should represent. 
- trackingMode
Type: Microsoft.VisualStudio.Text.SpanTrackingMode
How the ITrackingSpan will react to changes at its boundaries. 
- trackingFidelity
Type: Microsoft.VisualStudio.Text.TrackingFidelityMode
The tracking fidelity of the span. 
Return Value
Type: Microsoft.VisualStudio.Text.ITrackingSpan
A non-null ITrackingSpan.
Exceptions
| Exception | Condition | 
|---|---|
| ArgumentOutOfRangeException | span.End is greater than Length, or trackingMode is equal to Custom.  | 
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.